255400267 has 2 divisors, whose sum is σ = 255400268. Its totient is φ = 255400266.

The previous prime is 255400253. The next prime is 255400273. The reversal of 255400267 is 762004552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255400267 - 2²³ = 247011659 is a prime.

It is a super-4 number, since 4×255400267⁴ (a number of 35 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (255400207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127700133 + 127700134.

It is an arithmetic number, because the mean of its divisors is an integer number (127700134).

Almost surely, 2^255400267 is an apocalyptic number.

255400267 is a deficient number, since it is larger than the sum of its proper divisors (1).

255400267 is an equidigital number, since it uses as much as digits as its factorization.

255400267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 255400267 is about 15981.2473543213. The cubic root of 255400267 is about 634.4641909975.

The spelling of 255400267 in words is "two hundred fifty-five million, four hundred thousand, two hundred sixty-seven".